CAMP PENDLETON  The Semper Tri/Devil Dog Duathlon is set for Aug. 3 starting at the beach in the Assault Craft Unit 5 area of the base. The duathlon begins with a 1k beach run, followed by a 30k bike race along Stuart Mesa Road North and east to a turnaround on Las Pulgas Road and a 5k run.

A 500 meter swim kicks off the triathlon, followed by the 30k bike ride and 5k loop run.

Registration starts at 5:30 a.m. with waves starting at 7:30 a.m.

Entry fees: $85; $75 by July 26. Free for active duty military based at Camp Pendleton; $5 discount for active military stationed elsewhere. T-shirts and finisher medals for all participants.

Camp Pendleton active duty bring ID and pick up race numbers the morning of the race.

Off-base participants, enter at the main gate. Bring a valid driver’s license, proof of insurance, and vehicle registration for yourself and a valid ID for all passengers.